package utils;

import java.io.Serializable;
import java.io.StringReader;
import java.util.HashMap;
import java.util.Map;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;

public class XmlUtil implements Serializable {
	
	private static final long serialVersionUID = 1L;
	
	// 简单节点解析xml为map
	public static Map<String, String> parseXml(String xml) {
		Map<String, String> map = new HashMap<String, String>();
		try {
			StringReader sr = new StringReader(xml);
			InputSource is = new InputSource(sr);
			DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
			Document doc = builder.parse(is);
			Element root = doc.getDocumentElement();
			NodeList nodeList = root.getChildNodes();
			for (int i = 0; i < nodeList.getLength(); i++) {
				Node node = nodeList.item(i);
				map.put(node.getNodeName(), node.getTextContent());
			}
			return map;
		} catch (Exception e) {
			return new HashMap<String, String>();
		}
	}

	public static void main(String[] args) throws Exception {
		String xml = "<?xml version='1.0' encoding='UTF-8'?><respon><merNo>60187</merNo><gatewayNo>60817001</gatewayNo><tradeNo>T2017072612535059136654</tradeNo><orderNo>966196990991</orderNo><orderAmount>23246</orderAmount><orderCurrency>CNY</orderCurrency><orderStatus>0</orderStatus><orderErrorCode>I0004</orderErrorCode><orderInfo>I0004:Gateway of Merchant No.is incorrect</orderInfo><paymentMethod>Credit Card</paymentMethod><returnType>2</returnType><billAddress></billAddress><signInfo></signInfo><remark></remark><quickPayNo></quickPayNo></respon>";
		Map<String, String> doc = parseXml(xml);
		System.out.println(doc);
		System.out.println(doc.get("orderInfo"));
	}
}
